#0BB3B4
Closest named color: Light Sea Green (#20B2AA). oklch(69.5% 0.117 195.5), rgb(11, 179, 180).
Aa
Black text reads best on this color (8.12:1).
About this color
#0BB3B4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.117 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.014 away. Black text reads best on it, at 8.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.12:1 |
| White text | 2.58:1 |
Values
| HEX | #0BB3B4 |
| RGB | rgb(11, 179, 180) |
| HSL | hsl(180, 88%, 37%) |
| OKLCH | oklch(69.5% 0.117 195.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0BB3B4 | 2.58:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #0BB3B4 | 8.12:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #0BB3B4 text on white | 2.58:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #0BB3B4 text on black | 8.12:1 | AAA | Lc -52.0 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#EEF8F7
oklch(97.1% 0.011 189.8)
-
Step 100
100
#DBEFEE
oklch(93.7% 0.021 193.2)
-
Step 200
200
#BBE2E2
oklch(88.5% 0.041 196.4)
-
Step 300
300
#86D0D0
oklch(80.9% 0.074 195.8)
-
Step 400
400 (this color)
#0BB3B4
oklch(69.5% 0.117 195.5)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#0BB3B4 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #A6AAB4 | 0.122 |
| Deuteranopia (no green cones) | #919BB5 | 0.113 |
| Tritanopia (no blue cones) | #00B9B3 | 0.018 |
| Achromatopsia (no color) | #A1A1A1 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0BB3B4
#0BB3B4
oklch(69.5% 0.117 195.5)
- #DC7D85
#DC7D85
oklch(69.5% 0.118 15.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0BB3B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.014
- Turquoise Blue #06B1C4 ΔE 0.027
- Topaz #13BBAF ΔE 0.027
- Greeny Blue #42B395 ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.064
- Dull Teal #5F9E8F ΔE 0.071
- Persian Green #2A9D8F ΔE 0.071
- Sea #3C9992 ΔE 0.076
Use #0BB3B4 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.